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Recent Accounting Changes and Pronouncements - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Reduction in beginning retained earnings | $ 215.1 |  | $ 236.2
Reduction in accounts receivable | 13.9 | $ 184.2 |
ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Reduction in accounts receivable | 0.2 |  |
Cumulative Effect Period Of Adoption Adjustment | ASU 2016-13 |  |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Reduction in beginning retained earnings | $ 0.2 |  |

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